Gordon Electrical Supply is an Illinois based distributor of electrical products from manufacturers including Thomas & Betts, Milbank, Square D, Sylvania, Advance, Leviton, Cooper Lighting, Pass & Seymour, and Ferraz Shawmut. Some of the products they carry include electrical tools and testers, light fixtures, emergency & exit signage, fuses, wiring devices, ballasts, enclosures, conduits & fittings, power distribution, and motor control equipment as well as lugs, grounding, and splicing tools, wires, cables, cords, smoke alarms, and photocells.

Grainger is a distributor of electrical tools and equipment from manufacturers such as Square D, Schneider Electric, Wiegman, Tripp Lite, Raco, Dayton, Durant, Omron, Wiremold and Bussmann. Some of the products the Illinois supplier carries include terminal blocks, temperature controls, solenoids, relays, raceways, wireways, distribution equipment, fuses, PLCs, counters & hour meters, and voltage regulation equipment such as power conditioners, surge protectors, UPSs, and voltage monitors. They also carry transformers and safety switches.

Direct Current carries commercial, Industrial, and residential electrical supplies from conduit boxes and conduit body to circuit interrupters, grounding products and wall plates for plugs and switches even, simply, lightbulbs.

Crescent Electric Supply distributes on-line and through its 100+ branches in the United States. Crescent's products include lighting, conduit, raceways and accessories, wiring devices, electrical distribution equipment, and products for line construction. Markets served include institutional, industrial, contractor, utility, commercial and datacomm.

Galesburg Electric is an Illinois distributor of motors and DC controls, conduits and fittings, electric heat and ventilation, electrical, fasteners, light bulbs, tools, test equipment, smoke and fire alarms, repair parts and wire.

Bisco Industries is a distributor of electronic components and fasteners used for production in aerospace, communication, computer, fabrication, industrial equipment, instrumentation, marine and military industries.

Steiner distributes products for electrical projects, from lamps, lighting and ballasts to Hoffman enclosures; PLC's, sensors and other automation products, conduit, strut and more. Steiner customers include engineers, managers, contractors and installers, from commercial high-rise, MDU, healthcare facility, housing development or single family residence projects.